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Solar Control Systems

RESOL Solar Control Systems

The Solar Control System is both the heart and brains of a solar water heater. It is what controls the flow of heating fluids and water, based on programmable temperature differential measurements. It measures the temperature in various zones such as at the output of the collectors and compares this to the temperature of the solar storage tank and makes decision to turn off/on pumps and Diverter valves. The solar controller can display the current status of the system and make adjustments for safety. It can also remotely connect the system to a user’s PC or iPhone through the Vbus.net web platform.

For more information on remote monitoring click here.

 

 

There are 3 main parts to a Solar Control System:

Digital Controller:

This consists of a differential computer that has temperature input sensors and also has output relay controls. The digital controller will turn the pumps on when there is heat demand from the collector, divert the heat to an auxiliary heating system and shut the system down if the heat demand is too low (or too high in emergency conditions).

Mechanical Pumps and Diverts:

This consists of the components that physically move and control the water or heating fluid This consists of pumps and electronic Diverter valves are used to control the flow with in a solar thermal system.

Specialty Plumbing:

Often over looked but vital to safe and efficient operation of a solar thermal system. These are the various specialty pluming requirements that are needed to properly operate any solar heating, including:

  • Safety features -such as pressure release valves, one-way flow valves and expansion tanks
  • Service features -such as fill and drain valves as well as shut of valves
  • Operating regulators -such as pressure display, flow meters, hot and cold temperature valves
  • Maintenance features -such as air bleeding scoops

Fortunately there are systems that combine all three components into one compact pre-assembled system. This make installation very quick and reduces the chances of failures and incorrect installations. Northern Lights uses PAW solar flow stations with RESOL DeltaSol computer controllers for all our systems. These German engineered system have been used in over 2, million solar installations world wide, making them the industry's leading suppliers of quality solar components and controllers. Their proven track record means you be assured the best system on the market!

     RESOL Controllers

deltasolTUV Rheinland LogoThe RESOL DeltaSol® BS Plus system controller is for standard solar thermal systems with 2 standard-relays allowing control of two zones such as water and AUX heating zone. It has an additional aqua stat function preprogrammed for different hydraulic layouts and is equipped with energy metering.

 

    1. Illuminated system-monitoring-display
    2. Up to 4 temperature sensors Pt1000
    3. 2 standard-relay outputs and two tanks and two collector fields
    4. 9 basic layouts are selectable
    5. Heat balancing, tube collector function
    6. Energy metering
    7. Function control
    8. Programming and remote control of the system via RESOL Service Center Software possible
    9. RESOL VBus®
    10. Real Time Clock (timer function)
    11. Aqua stat function
    12. Emergency shut down and cooling function
    13. System Cooling & Collector Cooling
    14. Freeze protection
    15. Vacuum tube collector function

DeltaSol BS Plus

Download Specification Sheet

deltasolThe RESOL DeltaSol® AL Is a basic solar differential controller and offers a clear operating concept and is equipped with the newly developed illuminated display with system-monitoring. Flashing symbols for sensors, pumps and valves enable an immediate display of temperatures, temperature differences and active outputs. Adjustment and control of the solar system can be easily carried out.

 

    1. Illuminated system-monitoring-display
    2. Up to 3 temperature sensors Pt1000
    3. Solar operating hours counter
    4. 1 basic solar system control with one tank and one collector field
    5. Basic Pool Controller
    6. Heat balancing, tube collector function
    7. Energy metering
    8. Function control
    9. Enclosure in outstanding design and easy user friendly operation
    10. Emergency shut down and cooling function
    11. Freeze protection
    12. System Cooling & Collector Cooling

Download Specification Sheet

     Pump Stations

    1. All medium-bearing parts are made of brass
    2. Intergrated BS Plus Controller
    3. All connections 3/4“ female
    4. With Pre-assembled steel wall bracket
    5. Full port ball valve in return pipe is noise-free, low pressure drop, manual opener for faster line drain service, spring-actuated - special design for solar thermal applications
    6. Large ball valve handles for easy grip, and visible closing position
    7. Air-Scoop in the supply line for a permanent degassing of the heat transfer medium
    8. Function-optimized design insulation made of durable elastic EPP; 100% insulation of the fittings - excellent pump ventilation and cooling
    9. Solar safety assembly Pressure relief valve 86 PSI high-temperature manometer 0 - 90 PSI with Drain valve for flushing and filling, flat sealing connection for expansion tank
    10. Full metal solar thermometer, 32-320°F (0 - 160°C) can be pulled-off, with immersion sleeve being integrated in the ball valve
    11. Fully assembled with flat sealing union connections at most joints
    12. Pump can be isolated for servicing
    13. Flow meter Flow quantity measuring device with balancing valve, 1-13 l/m
    14. Flushing and draining unit integrated Two drain valves (at the Flow meter and at the safety group) enable the filling and flushing of the system
    15. Wilo Star 3 speed pump S21

Download Specification Sheet

    1. All medium-bearing parts are made of brass
    2. All connections 1/2“ female
    3. With Pre-assembled steel wall bracket,
    4. Full port ball valve in return pipe is noise-free, low pressure drop, manual opener for faster line drain service, spring-actuated - special design for solar thermal applications
    5. Large ball valve handles for easy grip, and visible closing position
    6. Air-Scoop in the supply line for a permanent degassing of the heat transfer medium
    7. Function-optimized design insulation made of durable elastic EPP; 100% insulation of the fittings - excellent pump ventilation and cooling
    8. Solar safety assembly Pressure relief valve 86 PSI high-temperature manometer 0 - 90 PSI with Drain valve for flushing and filling, flat sealing connection for expansion tank
    9. Integrated solar thermometer and Pressure guage, 32-320°F (0 - 160°C) can be pulled-off, with immersion sleeve being integrated in the ball valve
    10. Pump can be isolated for servicing
    11. Flow meter Flow quantity measuring device with balancing valve, 1-13 l/m
    12. Flushing and draining unit integrated Two drain valves (at the Flow meter and at the safety group) enable the filling and flushing of the system
    13. Wilo Star 3 speed pump S16

 

 

RESOL FLOWSOL PUMP STATION

solarstation

resol       resol

 

Pump Station Features

airstops

Airstop

Especially designed to permanently de-aerate the solar fluid of solar installations. Optimum installation point: in the collector flow, in the solar valves and fittings.

  • Acessible, easy access for servicing during operation
  • High de-aerating output due to low viscosity at high temperatures of the solar fluid in the flow and due to big volume (minimal flow   velocity, long storage period)

The air separated from the solar fluid gathers in the Air stop and can be vented from time to time. Using especially stainless steel corrugated pipes, the system can be completely vented.

 

 

hightemp-valve

High Temp Flow Valve


Brass fitting for high temperature. The flow valve ensures flow of the system only one way and prevents anti siphon caused by thermo-siphoning during the evening. Manual temperature gage with service valve allows for quick servicing without having to drain the system.

 

 

flow-meter

 

Flow Meter

High quality Bora Silicate Glass Flow meter with service valve ensures accurate calculation of flow. Adjustable flow valve allows micro calibration of flow.

 

 

Commercial Heating Control System

solex-solar

PRICING

 

  • 305 McKay Unit#20, Winnipeg, MB R2G 0N5
  • 1 -800 -317 -9054
  • 1 -204 -977 -3111
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